Crank arm lifting device of full-automatic stretch film packaging machine
A lifting device and stretching film technology, applied in the field of crank arm lifting device, can solve the problems of high manufacturing cost, difficult maintenance, complicated structure, etc., and achieve the effects of low manufacturing cost, reduced manufacturing cost and simple maintenance.
Inactive Publication Date: 2013-02-06
ZHUCHENG JINGPIN MACHINERY
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Problems solved by technology
[0002] The platform lifting device currently used on the stretch film packaging machine has a complicated structure, high manufacturing cost and difficult maintenance
Method used
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Embodiment Construction
[0010] Such as figure 1 , 2 As shown, the present invention is vertically provided with a vertical shaft 2 at one end of the upper plane of the two bottom side plates 1, and the inner side of the bottom side plate 1 between the two vertical shafts 2 is respectively movably connected with the bottom ends of the two swing arm support rods 3. The upper end of the arm support rod 3 is movably connected with the swing arm 5 through the first rotating shaft 4, and the platform plate 7 is movably connected with the upper end of the swing arm 5 through the second rotating shaft 6, and the four corners of the platform plate 7 are interspersed on the vertical shaft 2. The inner side of the other end of the side plate 1 is connected with a support shaft 8, and the cylinder 9 connects the support shaft 8 and the first rotating shaft 4 together. Through the above settings, when the cylinder 9 of the present invention is in operation, it drives the swing arm 5 to move, so that the platform...
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The invention discloses a crank arm lifting device of a full-automatic stretch film packaging machine. The crank arm lifting device is characterized in that one end of the upper plane of each of two bottom edge plates is longitudinally provided with a vertical shaft, wherein the inner sides of the bottom edge plates between the two vertical shafts are respectively connected with the bottom ends of the support rods of two swing arms movably, the upper ends of the swing arms are movably connected with a flat board through a second rotating shaft, the vertical shafts penetrate into the four corners of the flat board, and a support shaft is connected with a first rotating shaft through an air cylinder. When the air cylinder operates, the swing arms are driven to move, so that the flat board can move up and down linearly. The crank arm lifting device is simple to install, operates stably, has low fault rate, is simple to maintain and is low in manufacturing cost, and the manufacturing cost of equipment can be also greatly lowered.
Description
technical field [0001] The invention relates to a lifting device, in particular to a crank arm lifting device used on a fully automatic stretch film packaging machine. Background technique [0002] The platform lifting device currently used on stretch film packaging machines has a complicated structure, high manufacturing cost and difficult maintenance. Contents of the invention [0003] The object of the present invention is to provide a crank arm lifting device on a fully automatic stretch film packaging machine with stable operation, high balance and low failure rate. [0004] In order to achieve the above object, the present invention is provided with a vertical shaft longitudinally at one end of the upper plane of the two bottom side plates, and the inner side of the bottom side plate between the two vertical shafts is respectively movably connected with the bottom ends of the two swing arm support rods. The upper end of the swing arm is movably connected to the swin...
Claims
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IPC IPC(8): B65B65/00
Inventor 杨术本程显铭孙金伟
Owner ZHUCHENG JINGPIN MACHINERY